A FAMILY OF ARTIFICIAL HETEROTRANSCRIPTS IN GENBANK AND THEIR EcoRI – RELATED PALINDROMIC LINKERS

 

Fernando Castro-Chavez

fdocc at yahoo dot com

Independent Biotechnologist.

 

ABSTRACT:

 

This article describes a new family of artificial heterotranscripts or chimeric mRNAs, composed by thousands of Genbank sequences including traces or all of the EcoRI related palindromic linker, a 22-mer attaching in one RNA strand fragments of two or more different genes. These sequences containing a linker as its common denominator have been found both in the popular Affymetrix oligonucleotide microarrays, and in many published articles in which the sequences include the linker inside its coding region, or in the 5’ or 3’ sides. Here is the evidence of them as being experimental artifacts.

[Submitted]


Example:


Query RID (BLAST Request ID): 1079405655-1278-82201762471.BLASTQ3


Result: 2170 Blast Hits (corresponding only to named sequences non repeated, nr). Search done in March 15, 2004. In April its presence in Genbank increased.

Last Update on this History and a Useful Link:

Palindromati

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